BK CX Pulley Blue - Max-type, Sealed Bearing, Seat Tube Cable Roller for Bottom-Pull Front Derailleurs 428420 keeping everything running smoothly for

keeping everything running smoothly for the duration

This extra tough

after a simple and easy installation

This receiver cup and puller are designed to mate into the BRT-040 Master Cup to remove press-fit cups and bearings with 44mm flanges (PF41 or BB86/92)

BK CX Pulley Blue - Max-type, Sealed Bearing, Seat Tube Cable Roller for Bottom-Pull Front Derailleurs 428420 keeping everything running smoothly forBK CX Pulley Blue Max type, Sealed Bearing, Seat Tube Cable Roller for Bottom Pull Front Derailleurs Not a particularly in demand product in these days of 1X drivetrains, but this is a handy upgrade for many older Cyclocross bikes that havetop tube cable routing and bottom pull 2X or 3X front derailleurs. This roller is precision machined from Black Delrin and features an Enduro MAX type bearing for long lasting smooth performance. Max type bearings